Finding the Fourth Proportional to 3,690.96, 5,093.61 and 2,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.96 : 5,093.61 = 2,118.93 : x
2. Step 2: Convert to fraction form
   3,690.96/5,093.61 = 2,118.93/x
3. Step 3: Cross multiply
   3,690.96x = 5,093.61 × 2,118.93
4. Step 4: Simplify right side
   3,690.96x = 10,793,003.04
5. Step 5: Solve for x
   x = 10,793,003.04/3,690.96
6. Step 6: Final answer
   x = 2,924.17